Ikenie Hime wa Kakeochi Shite Shuuchaku Sareru

Olivia, the princess of the Afite Kingdom, was destined to be offered as a bride to Graphais, the Demon King of the Desert, due to her unique constitution. However, on the day of her wedding, she is abducted by the great mage Ix. She takes refuge in Ix's house to escape from Graphais, but a life filled with his unwavering love is a series of bewildering experiences for Olivia, who knows nothing of love. She had accepted her fate as a sacrifice for her father and her country... Yet, her suppressed heart is gradually released by Ix—a love story of being loved and obsessed over by a great mage! Source: MU